CyberQRM

CyberQRM – サイバー定量的リスク管理 ローカルで動作するオープンソースのプラットフォームで、FAIR v3.1（情報リスクの因子分析）フレームワークを使用した定量的なサイバーセキュリティリスク評価 を実現します。脅威のモデリング、モンテカルロシミュレーションの実行、対策効果の測定、リスクポートフォリオの管理を、すべてブラウザ上で行えます。クラウドアカウントは不要です。 機能 FAIRベースのリスクモデリング — 各シナリオに対して、三角分布、対数正規分布、または点分布を使用して、脅威イベント頻度（TEF）、脆弱性（Vulnerability）、資産価値（Asset...

Linux Distros Unpatched Vulnerability : CVE-2026-93182

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm:...

CVE-2026-93182

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

AZL-102744 CVE-2026-93182 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

CVE-2026-93182

CVE-2026-93182 is a u32 overflow in the Linux kernel's CFS scheduler (sched/fair), specifically in update_tg_cfs_runnable(). The overflow occurs when se->avg.runnable_avg * divider exceeds the 32-bit range, corrupting the runnable sum and cascading through load-average propagation to produce a...

CVE-2026-93182 sched/fair: Fix overflow in update_tg_cfs_runnable()

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

CVE-2026-93182 sched/fair: Fix overflow in update_tg_cfs_runnable()

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

CVE-2026-93182: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: accept TCASTAB only for root qdisc Most qdisc implementations maintain their backlog using qdiscpktlenskb, assuming this value remains invariant between the enqueue and dequeue handlers. Unfortunately, the syzbot explo...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fixed a NULL dereference when deactivating an inactive aggregate in qfqreset. qfqclass-leafqdisc-q.qlen 0 does not imply that the class itself is active. Two qfqclass objects may point to the same leafqdisc. Th...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Do not balance tasks to their current running CPUs. We encountered a situation where the balancer attempts to balance a migrated task with disabled status, triggering a warning in settaskcpu. The detailed error messag...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fixed potential memory corruption in childcfsrqonlist. childcfsrqonlist attempts to convert a ‘prev’ pointer to a cfsrq. This ‘prev’ pointer can originate from the struct rqs’s leafcfsrqlist, making the conversion...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bfq: Ensure that the bfqgroup upon which we are queuing requests is online. BiOS queued into the BFQ IO scheduler can be associated with a cgroup that was already offline. This may lead to the insertion of this bfqgroup into a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide that two queues are worth merging and set bic-stablemergebfqq and the moment bfqsetupmerge is called...

CVE-2026-47863 Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush

In Reactor Core, applications that use the Flux.bufferTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service DoS condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.7.19 and earlier...

CVE-2026-47857 Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around

In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service DoS condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.5.0 - 3.7.19 Reactor Core 3.4.41 and earlier...

CVE-2026-47857

Reactor Core is affected by a Denial of Service condition in the Flux.windowTimeout operator when fairBackpressure is enabled. The root cause is a 20-bit index wrap-around that can cause the stream to hang, leading to an availability impact with no confidentiality or integrity loss. Affected vers...

cve-2026-47857 - MEDIUM - Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around

cve-2026-47857 - MEDIUM - Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around...

cve-2026-47863 - MEDIUM - Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush

cve-2026-47863 - MEDIUM - Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush...

CVE-2026-64012

A flaw was found in the Linux kernel's Stochastic Fair Blue SFB queue discipline net/sched: schsfb. This vulnerability occurs when the sfb component, acting as a parent queue, attempts to retrieve a network packet from its child queue using an incorrect dequeue function. This can lead to a null...